AKG SR45BDD - SR45 Band D Wireless Receiver

AKG SR45 Band D (SR45BDD) - UHF 863.1–864.9 MHz Wireless Receiver for Perception Wireless 45 Systems

The AKG SR45 Band D (code SR45BDD) is an analog UHF receiver from the Perception Wireless 45 family, designed for mobile applications and installations that require a simple, stable and economical system. It works in Band D (European channel 70) , with a range of 863.1 to 864.9 MHz free to use in much of Europe, and incorporates spatial diversity , professional balanced XLR and 6.3 mm jack outputs, adjustable squelch control and front RF and audio clip LEDs for immediate control of the system status. It offers 8 fixed frequencies , with up to 5 simultaneous channels recommended in the same work area. Its electronics are optimized for voice and instruments, with a response of 40 Hz to 20 kHz , typical THD of 0.8% and SNR 105 dB (A) . The receiver is powered by the included 12 V DC adapter , uses an internal antenna , and features a 1/2 rack, 1U form factor with compact dimensions of 200 × 190 × 44 mm and a weight of only 360 g . It is compatible with the HT45 and PT45 transmitters of the same series.

Main features

• Band D (863.1–864.9 MHz) for unlicensed operation on channel 70 (check local regulations).
• 8 fixed frequencies with up to 5 simultaneous systems recommended in the same area.
• Spatial diversity for stable reception with internal antenna.
• Front RF level and audio clip indicators for quick monitoring.
• Professional outputs : Balanced XLR and unbalanced 6.3 mm jack, adjustable level from mic to line.
• Adjustable squelch (−100 to −70 dBm) and typical RF sensitivity of −100 dBm.
• Audio 40–20,000 Hz, THD 0.8% at 1 kHz, SNR 105 dB(A).
• Power supply 12 V DC (source with international adapters included).
• 1/2 rack format , 1U; 200 × 190 × 44mm ; 360g .
• Typical range up to 30 m line of sight.
• Compatibility with AKG HT45 and PT45 transmitters on the same band.

Product benefits

• Quick setup : 8 preset channels and squelch control to minimize interference.
• Easy integration : level-switchable XLR/jack outputs for mixing consoles, interfaces or fixed installations.
• Reliable operation : spatial diversity and LED monitoring to prevent live clipping and saturation.
• Mobility and mounting : Lightweight 1/2 rack format with universal power supply for touring, event and rental use.
• Scalability : Run multiple systems simultaneously on the same band for conferences, classrooms, or small stages.

Use cases

• Corporate events and education : headworn, lapel, or instrument microphones with agile, clean cable deployment.
• Houses of worship, hotels, and small venues : stable sound for speech and performances with multiple wireless lines.
• AV Rental : Robust and simple set for quick rotations and non-technical staff.

Frequently Asked Questions

• Which transmitters is it compatible with? Perception Wireless 45 Series transmitters: HT45 (handheld) and PT45 (beltpack) in Band D.
• Is it a free-to-use band? Band D (863–865 MHz) is used as channel 70 and is free to use in much of Europe; always check the regulations for your country or event.
• What actual range can I expect? Typical range is up to 30 m line-of-sight , depending on the RF environment and obstacles.
• Can it be rack-mounted? Yes, the receiver is a 1/2-rack (1U) receiver ; it can be mounted with compatible trays/ears.

Description for projects

AKG SR45 UHF Receiver Band D (863.1–864.9 MHz); 8 fixed frequencies; spatial diversity; balanced XLR and unbalanced 1/4” jack outputs with adjustable level (500 mV RMS at nominal deviation); response 40–20,000 Hz; THD 0.8% at 1 kHz; SNR 105 dB(A); sensitivity −100 dBm; adjustable squelch −100 to −70 dBm; typical range 30 m (LoS); 12 V DC power supply; internal antenna; 1/2 rack, 1U format; dimensions 200 × 190 × 44 mm; weight 360 g; compatible with HT45/PT45 transmitters.